THOT (1991) regional lines 1A to 10 Survey Company: Eagle Surveys Limited Acquisition Company: Enertec Geophysical Directions: 1A, 1B, 3(E-2), 3(E-3), 9, 9EXP, (E to W) 2, 3, 4, 5 (S to N) 7A, 7B, 7C, 10 (N to S) Source Type: Vibroseis - Hemi 50 SP/VP Interval: 100 m Sweep: Linear; 12-56 Hz Sweeps: 8 Sweep Length: 16 s Record Length/Sample Rate:16 s, 4 ms Source Pattern: 4 Vibrators / 50 m Instrumentation: MDS-18 Geophone Type: OYO 20D Frequency: 10 Hz Group Interval: 50 m Geophone Pattern: 9 over 40 m Spread configuration for lines 1A, 1B: Traces: 1<------>120 * 121<------>240 Distances: 6100 150 0 150 6100 m Spread configuration for lines 2, 3, 4, 5, 7A, 7B, 7C: Traces: 1<------>180 * 181<------>240 Distances: 9100 150 0 150 3100 m Spread configuration for lines 9, 10: Traces: 1<------> 60 * 61<------>240 Distances: 3100 150 0 150 9100